CN102878504B - Light fixture - Google Patents

Light fixture Download PDF

Info

Publication number
CN102878504B
CN102878504B CN201210337809.4A CN201210337809A CN102878504B CN 102878504 B CN102878504 B CN 102878504B CN 201210337809 A CN201210337809 A CN 201210337809A CN 102878504 B CN102878504 B CN 102878504B
Authority
CN
China
Prior art keywords
light fixture
regulating
retaining
fixed cell
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201210337809.4A
Other languages
Chinese (zh)
Other versions
CN102878504A (en
Inventor
武良举
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FOSHAN VERTEX LIGHTING ELECTRIC APPLIANCE CO., LTD.
Original Assignee
武良举
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201210283269 priority Critical
Priority to CN201210283269.6 priority
Application filed by 武良举 filed Critical 武良举
Priority claimed from CN201510642356.XA external-priority patent/CN105222024A/en
Priority to CN201210337809.4A priority patent/CN102878504B/en
Publication of CN102878504A publication Critical patent/CN102878504A/en
Publication of CN102878504B publication Critical patent/CN102878504B/en
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/02Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14Adjustable mountings
    • F21V21/30Pivoted housings or frames
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00Safety devices structurally associated with lighting devices
    • F21V25/12Flameproof or explosion-proof arrangements
    • F21V25/125Flameproof or explosion-proof arrangements using intumescent material, i.e. using materials which swells up as a result of heat exposure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04Recessed bases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

The present invention relates to a kind of light fixture, it is suitable for being arranged on the light fixture attachments such as ceiling.This light fixture comprises the fixed cell that is suitable for described light fixture to be fixed on light fixture attachment; A regulating element for the direction of illumination of the light that regulates the light-emitting component being located at described light fixture to send; A resistance to hot cell for the heat dissipation element that dispels the heat and a high temperature resistant not easily scorification.Corresponding to other aspects of this light fixture, this light fixture also comprises the fire prevention unit that is reduced the rate of propagation to light fixture exterior domain of the intensity of a fire that fire causes further.

Description

Light fixture
Technical field
The present invention relates to a kind of light fixture, particularly relate to a kind of light fixture being suitable for being arranged on the light fixture attachments such as ceiling, wherein this light fixture is provided with a fire prevention unit for the fire spreading speed delayed when unexpected fire that this light fixture causes occurs.
Background technology
Ceiling lamp is lighting lamp common in a kind of daily life, and it can be installed on the ceiling for room lighting.The direction of illumination of the light sent according to ceiling lamp adjustable and unadjustable, ceiling lamp generally can be divided into the adjustable ceiling lamp of light angle and light angle to fix ceiling lamp.Namely the ceiling lamp that light angle is fixed is fixed once installation back lighting angle because of it, when user has needing of its light angle of adjustment, can have inconvenience more.The adjustable ceiling lamp of existing light angle can realize the multi-angle illumination to indoor, and when user regulates its light angle, user manually or by the parameter preset can regulate its light angle, to realize multi-angle illumination automatically.
The adjustable ceiling lamp of existing light angle generally comprises the light-emitting component that provides illumination light source; A regulating element, regulates the light angle of this light fixture for user; A fixed cell, for by this lamp installation on the ceiling for illumination; Connector fixed cell and regulating element are connected together and a heat dissipation element, the excessive accumulation of the heat sent to prevent light-emitting component duration of work and reduce the environment temperature of this light-emitting component.Each element of this light fixture is generally made up of materials such as plastic cement, aluminum metal or aluminium alloys, and quality is light, specious luxurious and not easily corrosion.But this ceiling lamp also has many deficiencies.First, in order to attractive in appearance, ceiling lamp generally wants installation by adhering on the ceiling, so this light fixture will destroy the overall fire protecting performance of fire-barrier ceiling.When to be that plastic cement, aluminum metal or aluminium alloy etc. are the highest make with the material of the temperature of bearing 600 degree Celsius the material of each parts forming this light fixture only, once breaking out of fire and temperature more than 600 degree, the each element forming this light fixture will by scorification, flare can spread above ceiling below ceiling by the gap produced after light fixture scorification, or spread above ceiling to ceiling, cause spreading fast and causing heavy losses of the fire intensity of a fire.Secondly, the adjustable ceiling lamp of light angle will realize the adjustable function of light angle, often need to leave certain space between the angular adjustment element of light fixture and the retaining element of light fixture, thus the flare occurred when making fire will easily via above these Space sprawls to ceiling, make the fire spreads quickly and expansion at short notice, thus just caused heavy losses before the disaster relief and fire-fighting related personnel are not also arrived in.Again, after each element of this light fixture is by scorification, under ceiling pendant, thus the safety of indoor occupant will be threatened by each element of kind of the light fixture of this after scorification.In addition, by each element of kind of the light fixture of this after high heat burnout from after ceiling pendant is lower, can flammable object and make the fire spreads quickly to indoor in ignition chamber.Finally, after this ceiling lamp is by scorification, ceiling can be formed the cavity that easily ventilates, this also accelerates the rapid spread of the intensity of a fire.
Summary of the invention
Main advantage of the present invention is that it provides a kind of light fixture being suitable for being arranged on ceiling, and wherein this light fixture has good fire protecting performance thus makes when this light fixture installation by adhering is at ceiling, and this light fixture can not destroy the overall fire protecting performance of ceiling.
Another advantage of the present invention is that it provides a kind of light fixture being suitable for being arranged on ceiling, and wherein this light fixture comprises a fire prevention unit for the intensity of a fire the spreading fast under ceiling above the ceiling of direction stoping fire to cause.
Another advantage of the present invention is that it provides a kind of light fixture being suitable for being arranged on ceiling, wherein the fire prevention unit of this light fixture comprises a first fire prevention element be located between the second retaining element of the fixed cell of this light fixture and regulating element, can expand after this first fire prevention element is heated, thus seal gap between this fixed cell and regulating element and spread fast above the ceiling of direction under ceiling with the gap between the intensity of a fire self-retaining unit stoping fire and cause and regulating element.
Another advantage of the present invention is that it provides a kind of light fixture being suitable for being arranged on ceiling, wherein being made up of exotic material for the connector that regulating element is connected with fixed cell of this light fixture, thus the high temperature making this connector can tolerate fire to cause, also not easily disintegrate under the hot environment caused at fire to make this light fixture and drop from ceiling, the intensity of a fire that fire can be stoped thus to cause is to the spreading fast of other object of indoor.
Another advantage of the present invention is that it provides a kind of light fixture being suitable for being arranged on ceiling, wherein this light fixture is provided with a resistance to hot cell further, the back that this resistance to hot cell comprises first heat-resistant component and a self-emission device extends to the second heat-resistant component of the first heat-resistant component along the inwall of heat dissipation element, to stop when breaking out of fire, the heat dissipation element of this light fixture and the fixed cell of this light fixture are burnt fast.
Another advantage of the present invention is that it provides a kind of light fixture being suitable for being arranged on ceiling, and wherein the first heat-resistant component of the resistance to hot cell of this light fixture and the second heat-resistant component heat dissipation element define a safety cage with above the quick scorification heat dissipation element of the intensity of a fire stoping fire and cause and rapid spread to ceiling.
Other advantage of the present invention and feature are fully demonstrated by following detailed description and combination by the means specially pointed out in claims and device is achieved.
According to the present invention, the light fixture of the present invention that can realize aforementioned object and other objects and advantage comprises:
A heat dissipation element, this heat dissipation element has a radiating part and an installation portion, and wherein this installation portion forms first accommodating chamber from this radiating part to downward-extension;
A fixed cell, this fixed cell is formed with the second accommodating chamber of a up/down perforation and this fixed cell is adapted to be mounted on the light fixture attachments such as ceiling;
A regulating element, it is contained in the second accommodating chamber of this fixed cell formation pivotly, wherein this regulating element comprises adjustment body and the support portion extended internally from the lower end of this adjustment body that is contained in this second accommodating chamber pivotly, wherein this adjustment body and this support portion form the 3rd accommodating chamber of an opening upwards, and this support portion forms a light exit being suitable for light and passing through; With
A fire prevention unit, this fire prevention unit comprises a first fire prevention element be located between this fixed cell and regulating element, wherein this first fire prevention element is made up of thermal expansion material, this the first fire prevention element can expanded by heating the space filled up between this fixed cell and regulating element, thus reduce the rate of propagation above this light fixture of the intensity of a fire that fire causes
Wherein the lower end of the installation portion of this heat dissipation element is contained in the 3rd accommodating chamber of this regulating element, and the top of the inwall of this first accommodating chamber is suitable for arranging light-emitting component.
Corresponding to another aspect of the present invention, light fixture of the present invention also comprises a resistance to hot cell further, this resistance to hot cell comprises first heat-resistant component be located between this regulating element and heat dissipation element, and wherein this first heat-resistant component is contained in the 3rd accommodating chamber that this regulating element is formed.
Corresponding to another aspect of the present invention, the present invention also comprises one further and is located at this regulating element and the lens of light exit phase build adaptation with this regulating element, the light that the light-emitting component being located at the upper position of the inwall of the first accommodating chamber of this heat dissipation element sends can pass these lens, and wherein the user's regulating element that can be located at the second accommodating chamber of the retaining element of this light fixture by pivotable is with the irradiating angle through these lens of the light regulating light-emitting component and send.
Corresponding to another aspect of the present invention, the first heat-resistant component of the resistance to hot cell of light fixture of the present invention and the second heat-resistant component define the intensity of a fire the spreading fast above light fixture that a safety cage causes to slow down fire.
By the understanding to description subsequently and accompanying drawing, further aim of the present invention and advantage will be fully demonstrated.
These and other objects of the present invention, characteristics and advantages, by following detailed description, accompanying drawing and claim are fully demonstrated.
Accompanying drawing explanation
Fig. 1 is the front view of the light fixture according to present pre-ferred embodiments.
Fig. 2 is the upward view of the light fixture according to present pre-ferred embodiments.
Fig. 3 is the longitudinal sectional view of the light fixture according to present pre-ferred embodiments.
Fig. 4 is the installation diagram of the light fixture according to present pre-ferred embodiments, and shown in this figure is the structure of light fixture according to present pre-ferred embodiments.
Fig. 5 is the stereogram of the regulating element of light fixture according to present pre-ferred embodiments.
Fig. 6 is the sectional view of the regulating element of light fixture according to present pre-ferred embodiments.
Fig. 7 is the stereogram of the fixed cell of light fixture according to present pre-ferred embodiments, and shown in this figure is the first retaining element and second retaining element of this fixed cell.
Fig. 8 is the longitudinal sectional view of the fixed cell of light fixture according to present pre-ferred embodiments.
Fig. 9 is an equivalent installation diagram implemented of the light fixture of present pre-ferred embodiments.
Detailed description of the invention
According to accompanying drawing of the present invention Fig. 1 to Fig. 8 shown in, light fixture according to present pre-ferred embodiments is elucidated, and wherein this light fixture comprises the heat dissipation element 30 that the regulating element 20 of the direction of illumination of the light that a fixed cell 10, being suitable for this light fixture to be fixed on the light fixture attachments such as ceiling is used for regulating the light-emitting component 60 being located at this light fixture to send and are used for dispelling the heat.
As shown in Fig. 1 to Fig. 3 of accompanying drawing, the fixed cell 10 according to the light fixture of present pre-ferred embodiments is formed with the first accommodating chamber 100 of a up/down perforation and this fixed cell 10 is adapted to be mounted to the light fixture attachments such as ceiling so that this light fixture is fixed on appropriate location.
It should be noted that, the fixed cell 10 of this light fixture can be made up of exotic material, it still can keep original shape in high temperature environments within the longer time, not easily comes off from light fixture attachments such as ceilings because of the scorification of this fixed cell 10 in high temperature environments to make light fixture of the present invention.
This regulating element 20 is contained in the first accommodating chamber 100 that this fixed cell 10 is formed pivotly, wherein this regulating element 20 comprises the adjustment body 21 of the first accommodating chamber being contained in this fixed cell 10 pivotly and being formed, and this adjustment body 21 is formed with the optical channel 211 that light that a light-emitting component 60 being suitable for this light fixture sends passes through.Further, this regulating element 20 also comprises the bottom 22 that is located at the lower end of this adjustment body 21, wherein this adjustment body 21 and this bottom 22 form the second accommodating chamber 200 of an opening upwards, and this bottom 22 forms one to be connected with this optical channel 211 and the light exit 221 that passes through of the light that the light that the light-emitting component 60 being suitable for this light fixture sends passes through.
This heat dissipation element 30 comprises a radiating part 31 and an installation portion 32, this installation portion 32 from this radiating part 31 to downward-extension, the light-emitting component 60 of this light fixture is located at the bottom of the installation portion 32 of this heat dissipation element 30, and wherein the installation portion 32 of this heat dissipation element 30 is suitable for this regulating element 20 being located at this light fixture.Further, this installation portion 32 forms the 3rd accommodating chamber 300 that Open Side Down from this radiating part 31 to downward-extension, wherein the lower end of the installation portion 32 of this heat dissipation element 30 is suitable for the second accommodating chamber 200 being contained in the formation of this regulating element 20, thus the lower end of this heat dissipation element 30 is coupled mutually with this regulating element 20.Further, the radiating part 31 of this heat dissipation element 30 is provided with a lead channels 33, and power lead can pass lead channels 33 and can be connected with being energized with the light-emitting component 60 of the upper inside wall position being located at the 3rd accommodating chamber 300 thus supply electric energy for this light-emitting component 60.Further, the radiating part 31 of this heat dissipation element 30 comprises the sheet radiating piece 312 that a heat radiator body 311 and is mounted on this heat radiator body 311, to improve the heat sinking function of this heat dissipation element 30.
Preferably, the installation portion 32 of this heat dissipation element 30 is one-body molded with this regulating element 20, thus make when user regulates the position of the regulating element 20 of this light fixture to make to be penetrated with expected angle by the light of the optical channel 211 of this regulating element 20, this heat dissipation element 30 is pivotable and minimizing process by the pivotable along with this regulating element 20.Preferably, the installation portion 32 of this heat dissipation element 30 is one-body molded with the adjustment body 21 of this regulating element 20.
Be understandable that the installation portion 32 of this heat dissipation element 30 also can be one-body molded with the bottom 22 of this regulating element 20, or simultaneously with the adjustment body 21 of this regulating element 20 and bottom 22 one-body molded, thus make when user regulates the position of the regulating element 20 of this light fixture to make to be penetrated with expected angle by the light of the optical channel 211 of this regulating element 20, this heat dissipation element 30 is pivotable and minimizing process by the pivotable along with this regulating element 20.
It should be noted that radiating part 31 present position of the heat dissipation element 30 of this light fixture can be beneficial to the heat radiation of this heat dissipation element 30 higher than the present position, top of the second retaining element 12 of the fixed cell 10 of this light fixture.Further, the present position, top of the installation portion 32 of the heat dissipation element 30 of this light fixture is beneficial to the heat radiation of this heat dissipation element 30 higher than the present position, top of the second retaining element 11 of the fixed cell 10 of this light fixture.
As shown in Fig. 3 to Fig. 4 of accompanying drawing, light fixture according to present pre-ferred embodiments comprises a resistance to hot cell 40 further, wherein this resistance to hot cell 40 comprise one be contained in this regulating element 20 formed the second accommodating chamber 200 the first heat-resistant component 41 and it is located between this regulating element 20 and installation portion 32 of this heat dissipation element 30, wherein this first heat-resistant component 41 is made up of exotic material thus is made this first heat-resistant component 41 not easily by scorification with maintain original shape for a long time in high temperature environments, thus reduce the scorification speed of each element of this light fixture and stop the quick disintegration of this light fixture.Further, this first heat-resistant component 41 comprises first refractory sections 411 and second refractory sections 412 extended internally from the lower end of this first refractory sections 411, wherein this first refractory sections 411 is located between the inner side of the outside of the installation portion 32 of this heat dissipation element 30 and the adjustment body 21 of this regulating element 20, and this second refractory sections 412 is located at the below of the installation portion 32 of this heat dissipation element 30.In other words, second refractory sections 412 of this first heat-resistant component 41 is located between the installation portion 32 of this heat dissipation element 30 and the bottom 22 of this regulating element 20, thus the intensity of a fire that prevention fire causes is by gap the spreading fast above light fixture between this regulating element 20 and this heat dissipation element 30.
It should be noted that the outer shape of this first heat-resistant component 41 and this first heat-resistant component 41 identical with the outer shape of the regulating element 20 of this light fixture is located at the inner side of this regulating element 20, wherein the second refractory sections 412 of this first heat-resistant component 41 has the light sent for the light-emitting component 60 being located at this light fixture with the equitant light-emitting window 410 of the light exit 221 of this regulating element 20 to expose to this light fixture by the light exit 221 of this light-emitting window 410 and this regulating element 20 outside.In other words, the second accommodating chamber 200 phase build that this first heat-resistant component 41 and this regulating element 20 are formed is adaptive, thus make this first heat-resistant component 41 be suitable for being contained in the second accommodating chamber 200 that this regulating element 20 formed and the inner side of the outside of this first heat-resistant component 41 this regulating element 20 adjacent, and the light-emitting window 410 that the second refractory sections 412 of this first heat-resistant component 41 has is suitable for the light that light-emitting component 60 sends and passes through and arrive the light exit 221 of this regulating element 20.
As shown in Fig. 3 to Fig. 4 of accompanying drawing, resistance to hot cell 40 according to the light fixture of present pre-ferred embodiments comprises the second heat-resistant component 42 that is located at the 3rd accommodating chamber 300 that this heat dissipation element 30 is formed further, wherein this second heat-resistant component 42 is made up of exotic material and it extends downward the first heat-resistant component 41 of this resistance to hot cell 40 along the inwall of the 3rd accommodating chamber 300 from the rear portion of light-emitting component 60 of upper position of inwall being located at the 3rd accommodating chamber 300, the first heat-resistant component 41 of this resistance to hot cell 40 and the second heat-resistant component 42 is made to define a safety cage 400 to delay the rate of propagation of the intensity of a fire caused by fire above light fixture in the 3rd accommodating chamber 300 thus.
It should be noted that the length of the vertical direction of this safety cage 400 is greater than its width transversely, time at top that the distance of flame in safety cage 400 that fire causes thus is lengthened out and this flame arrives safety cage 400 is increased, to delay the rate of propagation of the intensity of a fire caused by fire above light fixture in the 3rd accommodating chamber 300.
As shown in Fig. 1 to Fig. 4 of accompanying drawing, light fixture according to present pre-ferred embodiments comprises one further and is located at the lens 50 of the bottom 22 of the regulating element 20 of this light fixture and the size of this lens 50 is not less than the size of the light exit 221 of this regulating element 20, thus making these lens 50 can seal this light exit 221 completely, the safety cage 400 that formed of the first heat-resistant component 41 of this resistance to hot cell 40 and the second heat-resistant component 42 is closed by these lens 50 with the spreading of top of the intensity of a fire stoping the fire in this safety cage 400 to cause to this light fixture thus.In other words, because the first heat-resistant component 41 of the resistance to hot cell 40 of this light fixture and the second heat-resistant component 42 are made by exotic material, still original shape can be kept within considerable time under the high temperature that fire causes, this fire prevention unit 40 thus define the fire-resistant mechanism that spreads above light fixture of the intensity of a fire delaying fire and cause, to delay the intensity of a fire the spreading fast above light fixture that fire causes.
As shown in Fig. 7 and Fig. 8 of accompanying drawing, fixed cell 10 according to the light fixture of present pre-ferred embodiments comprises the second retaining element 12 that first retaining element 11 and are located at the outside of this first retaining element 11, wherein this second retaining element 12 is suitable for being arranged on the light fixture attachments such as ceiling, this first retaining element 11 forms one for holding the first accommodating chamber 100 of this regulating element 20 pivotly, thus makes this regulating element 20 can be located at this first accommodating chamber 100 pivotly.
Further, light fixture according to present pre-ferred embodiments comprises a light-emitting component 60, the upper position of the inwall of the 3rd accommodating chamber 300 that the heat dissipation element 30 that wherein this light-emitting component 60 is located at this light fixture is formed and the light that this light-emitting component 60 sends is suitable for injection in the light exit 221 formed from this regulating element 20.Preferably, this light-emitting component 60 is LED.
As shown in Fig. 4 to Fig. 6 of accompanying drawing, light fixture according to present pre-ferred embodiments comprises a fire prevention unit 70 further, this fire prevention unit 70 comprises one and is located at first between this fixed cell 10 and this regulating element 20 and prevents fires element 71, wherein this be located at first between this fixed cell 10 and this regulating element 20 prevent fires element 71 outside according to this fixed cell 10 inner side shape and design, the inner side of the first fire prevention element 71 of this fire prevention unit 70 is designed according to the shape in the outside of the adjustment body 21 of this regulating element 20, thus make first of this fire prevention unit 70 the fire prevention element 71 be suitable for being located between the regulating element 20 of this fixed cell 10 and this light fixture, with enable this first fire prevention element 71 in high temperature environments expanded by heating time seal space between this fixed cell 10 and this regulating element 20, thus the intensity of a fire that prevention fire causes is by space the spreading fast above light fixture between this fixed cell 10 and this regulating element 20.Further, the present position, top of the second retaining element 12 of this fixed cell 10 of light fixture is higher than the present position, top of the first retaining element 11 of this fixed cell 10, this the first fire prevention element 71 of this fire prevention unit 70 is located between the second retaining element 12 of this fixed cell 10 and regulating element 20, wherein this first fire prevention element 71 is made up of thermal expansion material, and it at high temperature can expand and can fill up the space between this fixed cell 10 and regulating element 20.That is, first fire prevention element 71 of this fire prevention unit 70 is located between the second retaining element 12 of this fixed cell 10 and this regulating element 20, this the first fire prevention element 71 can expand in high temperature environments and between this fixed cell 10 and this regulating element 20, produce a sealing effectiveness and be sealed to make the space between this fixed cell 10 and this regulating element 20, thus the intensity of a fire stoping this fire to cause spreads to this light fixture exterior domain through the space this fixed cell 10 and this regulating element 20.Preferably, the first fire prevention element 71 that this fire prevention unit 70 is located at by first fire prevention element 71 of this fire prevention unit 70 be located at the outside of this regulating element 20 of this light fixture and this first fire prevention element 71 when this regulating element 20 is pivoted, can not come in contact with this fixed cell 10 of this light fixture, thus make this first fire prevention element 71 of this fire prevention unit 70 can not hinder the pivotable of this regulating element 20 of this light fixture.More preferably, first fire prevention element 71 of this fire prevention unit 70 can extend in the direction from the upper end of the second retaining element 11 of this fixed cell 10 downwards with to the regulating element 20 near this light fixture, wherein when this regulating element 20 is pivoted, this the first fire prevention element 71 can not come in contact with this regulating element 20 of this light fixture, makes first of this fire prevention unit 70 the fire prevention element 71 can not hinder the pivoting action of this regulating element 20 thus.In other words, this be located at first between the second retaining element 12 of this fixed cell 10 and this regulating element 20 prevent fires element 71 outside according to the second retaining element 12 inner side shape and design, the inner side of the first fire prevention element 71 of this fire prevention unit 70 is designed according to the shape in the outside of the adjustment body 21 of this regulating element 20, thus make first of this fire prevention unit 70 the fire prevention element 71 be suitable for being located between the second retaining element 12 of this fixed cell 10 and the regulating element 20 of this light fixture, to make this first fire prevention element 71 in high temperature environments can expanded by heating and the space filled up between this fixed cell 10 and this regulating element 20, with enable this first fire prevention element 71 in high temperature environments expanded by heating time seal space between this fixed cell 10 and this regulating element 20, thus the intensity of a fire that prevention fire causes is by space the spreading fast above light fixture between this fixed cell 10 and this regulating element 20, first fire prevention element 71 of this fire prevention unit 70 from the lateral on the top of the first retaining element 11 of this fixed cell 10 outside with the inner side of the second retaining element 12 extending upwardly to this fixed cell 10, first of this fire prevention unit 70 the fire prevention element 71 is made to be located at the inner side of the second retaining element 12 of this this fixed cell 10 thus, with the pivoting action making first of this fire prevention unit 70 the fire prevention element 71 can not hinder this regulating element 20.
Further, fire prevention unit 70 according to the light fixture of present pre-ferred embodiments comprises a second fire prevention element (not shown) be located between the first retaining element of this fixed cell 10 and the second retaining element further, wherein this second fire prevention element is made up of thermal expansion material, and it at high temperature can expand and can fill up the space between the first retaining element of this fixed cell 10 and the second retaining element.That is, this the second fire prevention element is located between the first retaining element of this fixed cell 10 and the second retaining element, can expand under the hot environment that this second fire prevention element causes at fire and produce a sealing effectiveness between first retaining element and the second retaining element of this fixed cell 10, thus the intensity of a fire stoping this fire to cause spreads to this light fixture exterior domain through the space the first retaining element of this fixed cell 10 and the second retaining element.
In addition, the fixed cell 10 of this light fixture, especially the second retaining element 12 of this fixed cell 10 can be made up of exotic material, thus not easily by scorification with original shape can be kept within considerable time in the hot environment making the second retaining element 12 of this fixed cell 10 cause at fire, thus delay the intensity of a fire to spreading around light fixture.
It should be noted that, when this fixed cell 10 of this light fixture is made up of exotic material, this first element 71 of preventing fires of this fixed cell 10 of this light fixture, this first heat-resistant component 41 of this resistance to hot cell 40 and this second heat-resistant component 42 and this fire prevention unit 70 between this fixed cell 10 and this regulating element 20 of being located at this light fixture makes this light fixture have globality fire resistance property, thus making when this light fixture installation by adhering is at fire-barrier ceiling, this light fixture can not damage the overall fire protecting performance of this fire-barrier ceiling.
Be understandable that, the material that can expand after thermal expansion material herein refers to and is heated, the exotic material of its thermal coefficient of expansion known to preferred those skilled in the art more than 4.0 or refractory material, the more preferably refractory material of thermal coefficient of expansion more than 20.0.This thermal expansion material can by a kind of single be heated after the material that can expand form, also can be the material composite of the material composition that can expand after multiple being heated, or even the thermal expansion complex material that can expand after being heated is attached on carrier, such as graphite is attached to the thermal expansion complex that carrier is formed.This carrier may be cloth, fiber, pottery or other similar refractory support.
As shown in Fig. 1 to Fig. 8 of accompanying drawing, light fixture according to present pre-ferred embodiments comprises one group of Connection Element be made up of exotic material 80 further, and this Connection Element 80 comprises a connector 81 to be coupled in mutually together with regulating element 20 by the fixed cell 10 of this light fixture.In other words, this connector 81 is made up of exotic material and the fixed cell 10 of this light fixture is coupled in together with regulating element 20 by mutually.Further, this connector 81 extends to the inner side of this regulating element 20 and this regulating element 20 of light fixture of the present invention is remained on pivotly this first accommodating chamber 100 that this fixed cell 10 formed from the outside of this fixed cell 10.
As shown in Fig. 3 of accompanying drawing, light fixture according to present pre-ferred embodiments preferably includes the connector 81 of two distributions symmetrically, wherein this regulating element 20 is remained on the first accommodating chamber 100 that this fixed cell 10 is formed by this connector 81 pivotly, this connector 81 is made up of exotic material and is extended to the inner side of the regulating element 20 of this light fixture from the outside of this fixed cell 10, thus is coupled in mutually together with this regulating element 20 by the fixed cell 10 of this light fixture.Further, this connector 81 extends to the heat dissipation element 30 of this light fixture from the outside of this fixed cell 10, thus the fixed cell 10 of light fixture of the present invention, this regulating element 20 is coupled in mutually together with this heat dissipation element 30.
It should be noted that, for the fixed cell 10 of this light fixture, this regulating element 20 are coupled in together mutually with this heat dissipation element 30, when the connector 81 of this Connection Element 80 extends in the horizontal direction, through this fixed cell 10, this regulating element 20 extend to this heat dissipation element 30.
The top of this connector 81 is preferably located at by first fire prevention element 71 of this fire prevention unit 70 and the second fire prevention element, when the intensity of a fire of fire initiation is when this light fixture of below calcination of this light fixture, first fire prevention element 71 of this fire prevention unit 70 not easily because of the first retaining element 11 of the fixed cell 10 of this light fixture and the quick scorification of the second retaining element 12 from coming off between this fixed cell 10 and this regulating element 20, thus can expanded by heating and the space that seals between this fixed cell 10 and regulating element 20 in high temperature environments effectively, thus the intensity of a fire stoping this fire to cause spreads to this light fixture exterior domain through the space this fixed cell 10 and this regulating element 20.
In addition, because the connector 81 of this light fixture is made up of exotic material, it can keep original shape to reduce the disintegration speed of this light fixture in high temperature environments within considerable time, thus reduces the rate of propagation of the intensity of a fire that causes of fire to this light fixture exterior domain.In other words, first fire prevention element 71 present position of this fire prevention unit 70 is all higher than this connector 81 present position, first fire prevention element 71 at high temperature expanded by heating, thus the space sealed between this fixed cell 10 and this regulating element 20 and produce a sealing effectiveness to stop the intensity of a fire spreading fast above light fixture between this fixed cell 10 and regulating element 20.That is, this light fixture the connector 81 be made up of exotic material, be located between this fixed cell 10 and this regulating element 20 and its position and reduce higher than the first element 71 of preventing fires of this fire prevention unit 70 of this connector 81 rate of propagation of the intensity of a fire above light fixture that the disintegration speed of this light fixture under hot environment and fire cause.
As shown in Fig. 1 to Fig. 8 of accompanying drawing, inwall upper end according to the first retaining element 11 of the fixed cell 10 of the light fixture of present pre-ferred embodiments is provided with two symmetrical limit opening 111, the relevant position, outside of the adjustment body 21 of the regulating element 20 of this light fixture is provided with two symmetrical pivotal axis 24, and wherein the pivotal axis 24 of this regulating element 20 is suitable for the limit opening 111 being located at this first retaining element 11 respectively pivotly and safely.That is, user can this state position residing for regulating element 20 of pivotal adjustment, thus the irradiating angle of the light regulating the light-emitting component 60 being located at this light fixture to send.
As shown in Fig. 7 to Fig. 8 of accompanying drawing, the second retaining element 12 according to the fixed cell 10 of the light fixture of present pre-ferred embodiments comprises second fixed body 121, and extends inwardly to the top edge 122 of this first retaining element 11 from the upper end of the second fixed body 121 thus the first fire prevention element 71 be located between this first retaining element 11 and second retaining element 12 is enclosed between this first retaining element 11 and second retaining element 12 by the top edge 122 of this second retaining element 12.
It should be noted that the top edge 122 of this second retaining element 12 can extend inwardly to from the upper end of the second fixed body 121 to be located at first of this fire prevention unit 70 between this first retaining element 11 and this regulating element 20 and to prevent fires the top of element 71, when the first fire prevention element 71 of fire prevention unit 70 at high temperature expands, the top edge 122 of the second retaining element 12 of this fixed cell 10 is suitable for making the first fire prevention element 71 of expanded by heating to downward-extension, the space between the first retaining element 11 of the fixed cell 10 of this light fixture and this regulating element 20 is made to be sealed thus, thus the intensity of a fire stoping this fire to cause spreads to this light fixture exterior domain through the space the first retaining element 11 of this fixed cell 10 and this regulating element 20.In addition, the top edge 122 of this second retaining element 12 also has a collaborative sealing function, in high temperature environments, its can and first the preventing fires the collaborative space sealed between the first retaining element 11 of this fixed cell 10 and this regulating element 20 of element 71 of fire prevention unit 70, thus the intensity of a fire stoping this fire to cause spreads to this light fixture exterior domain through the space the first retaining element 11 of this fixed cell 10 and this regulating element 20.That is, in high temperature environments, the top edge 122 of the second retaining element 12 can have collaborative sealing function with first of fire prevention unit 70 element 71 of preventing fires, the top edge 122 of this second retaining element 12 and this first fire prevention element 71 make the space between this first retaining element and this regulating element be sealed together, thus the intensity of a fire stoping this fire to cause spreads to this light fixture exterior domain through the space the first retaining element 11 of this fixed cell 10 and this regulating element 20
As shown in Fig. 7 of accompanying drawing, light fixture according to present pre-ferred embodiments comprise further one be mounted on the inward flange of the first retaining element 11 of this fixed cell 10 and the setting element 90 upwards extended from the inward flange of this first retaining element 11 for the appropriate location between this second retaining element 12 and this regulating element 20 this first fire prevention element 71 of this fire prevention unit 70 being positioned at this fixed cell 10, thus make this first fire prevention element 71 of this fire prevention unit 70 can not hinder the pivotable of this regulating element 20 of this light fixture.
It should be noted that described high temperature herein, the more preferably temperature of more than 1000 degrees Celsius.Exotic material as herein described refers to the material that can tolerate more than 1000 degrees Celsius or 1000 degrees Celsius temperature, and it comprises refractory metal material and high temperature resistant nonmetallic compound material.The wherein metal material such as the iron of the preferred fusing point of refractory metal material more than 1000 degrees Celsius, copper, gold, manganese, more preferably refractory metal is as the boride of the metal materials such as tungsten, molybdenum, tantalum, niobium, vanadium, chromium, titanium, zirconium and rare earth metal, carbide, nitride, silicide, phosphide and sulfide etc.; High temperature resistant nonmetallic materials comprise boron carbide, carborundum, boron nitride, silicon nitride, boron phosphide, phosphatization silicon etc.Exotic material also comprises can all kinds of alloy materials of withstand high temperatures, and comprising can the various alloy material such as resistant to elevated temperatures ferrous alloy, nickel-base alloy, acieral.This exotic material also can be can the composite of withstand high temperatures, as refractory ceramics, Gao Lingshang, silicate, expanded perlite and other similar can the composite materials of withstand high temperatures.In addition, exotic material also comprise carbonaceous material that CNT makes and other similar can the material of withstand high temperatures.
As shown in Fig. 9 of accompanying drawing, an equivalent enforcement of the light fixture of present pre-ferred embodiments is illustrated, wherein this equivalent enforcement is to comprise one group of Connection Element 80A with the difference of above-mentioned preferred embodiment, wherein this Connection Element 80A comprises a connector 81A and two adjacent keeper 82A, wherein this connector 81A extends horizontally to the inner side of this first retaining element 11 from the outside of the second retaining element 12 of this fixed cell 10, this keeper 82A is located at the first retaining element 11 of this fixed cell 10 and the top of the second retaining element 12 respectively and extends upwardly to the connector 81A of this Connection Element 80A from the top of this first retaining element 11 and the second retaining element 12, wherein this keeper 82A is removably located at the connector 81A of this Connection Element 80A respectively, thus this first retaining element 11 is coupled with the connector 81A phase of the second retaining element 12 with this Connection Element 80A, now first retaining element 11 of connector 81A present position higher than this fixed cell 10 of this Connection Element 80A and the present position, top of the second retaining element 12.
It should be noted that, in this equivalent enforcement, the below of this connector 81A is preferably located at by first fire prevention element 71 of this fire prevention unit 70 and fire prevention element, when the intensity of a fire of fire initiation is when this light fixture of below calcination of this light fixture, first fire prevention element 71 of the fire prevention unit 70 of this light fixture will expand and seal the space between the first retaining element 11 of this fixed cell 10 and regulating element 20 before the regulating element 20 and this connector 81A scorification of this light fixture, thus the intensity of a fire stoping this fire to cause spreads to this light fixture exterior domain through the space this fixed cell 10 and this regulating element 20.In addition, because the connector 81A of this light fixture is made up of exotic material, it can keep original shape to reduce the disintegration speed of this light fixture in high temperature environments within considerable time, thus reduces the rate of propagation of the intensity of a fire that causes of fire to this light fixture exterior domain.In other words, first fire prevention element 71 present position of this fire prevention unit 70 is all lower than this connector 81A present position, first fire prevention element 71 at high temperature expanded by heating, thus before this light fixture is disintegrated by scorification, seal the space between this fixed cell 10 and this regulating element 20 and between this fixed cell 10 and regulating element 20, produce a sealing effectiveness to stop the intensity of a fire spreading fast above light fixture.In other words, this light fixture the connector 81A be made up of exotic material, be located between this fixed cell 10 and this regulating element 20 and its position and reduce lower than the first element 71 of preventing fires of this fire prevention unit 70 of this connector 81A the rate of propagation of the intensity of a fire above light fixture that the disintegration speed of this light fixture under hot environment and fire cause.
Those skilled in the art can understand shown in accompanying drawing to be only to example of the present invention instead of restriction with the embodiment of the present invention described above.
Can see that the object of the invention can fully effectively be completed thus.For explaining that this embodiment of function and structure principle of the present invention has been absolutely proved and described, and the present invention is not by the restriction based on the change on these embodiment basis.Therefore, the present invention includes all modifications be encompassed within appended claims book claimed range and spirit.

Claims (20)

1. a light fixture, is characterized in that comprising:
One is suitable for the fixed cell described light fixture being fixed on light fixture attachment, and wherein said fixed cell is formed with the first accommodating chamber of a up/down perforation;
A regulating element for the direction of illumination of the light that regulates the light-emitting component being located at described light fixture to send, wherein said regulating element is contained in the first accommodating chamber that described fixed cell is formed pivotly, wherein said regulating element comprises the adjustment body that is contained in described first accommodating chamber pivotly, wherein said adjustment body forms an optical channel, and the light that the light-emitting component that described optical channel is suitable for being located at described light fixture sends passes through;
A heat dissipation element, described heat dissipation element comprises a radiating part and an installation portion, wherein said installation portion from described radiating part to downward-extension, the described light-emitting component of described light fixture is located at the bottom of the installation portion of described heat dissipation element, and the lower end of the installation portion of wherein said heat dissipation element is suitable for being located at described regulating element;
A fire prevention unit, described fire prevention unit comprises one and is located at first between described fixed cell and described regulating element and prevents fires element, the outside of described regulating element is located at by wherein said first fire prevention element, wherein said first fire prevention element is made up of thermal expansion material, described first fire prevention element can expand the space between described fixed cell and described regulating element is sealed in high temperature environments, thus the intensity of a fire stoping fire to cause spreads to described light fixture exterior domain through the space described fixed cell and described regulating element; With
A resistance to hot cell, the described installation portion of the described heat dissipation element of wherein said light fixture forms the 3rd accommodating chamber that Open Side Down for the described light-emitting component holding described light fixture from described radiating part to downward-extension, wherein said resistance to hot cell comprises first heat-resistant component and second heat-resistant component, wherein said first heat-resistant component is located between described regulating element and the described installation portion of described heat dissipation element, described second heat-resistant component extends downward described first heat-resistant component of described resistance to hot cell along the inwall of described 3rd accommodating chamber from the rear portion of light-emitting component of upper position of inwall being located at described 3rd accommodating chamber, described first heat-resistant component of wherein said resistance to hot cell comprises first refractory sections and second refractory sections extended internally from the lower end of described first refractory sections, described first refractory sections of wherein said first heat-resistant component is located between the inner side of the outside of the installation portion of described heat dissipation element and the described adjustment body of described regulating element, described second refractory sections is located at the below of described heat dissipation element, wherein said first heat-resistant component and described second heat-resistant component are made by exotic material, described first heat-resistant component of described resistance to hot cell and described second heat-resistant component can form a safety cage thus, to reduce described light fixture disintegration speed in high temperature environments and to stop the intensity of a fire of fire initiation to spread to the top of described light fixture.
2. light fixture according to claim 1, it is characterized in that, the outside of the described first fire prevention element of described fire prevention unit is designed according to the inner shape of described fixed cell, the inner side of described first fire prevention element is designed according to the outer shape of the adjustment body of described regulating element, thus make the described first fire prevention element of described fire prevention unit be suitable for being located between described retaining element and described regulating element, with enable described first fire prevention element in high temperature environments expanded by heating time seal space between described fixed cell and described regulating element.
3. light fixture according to claim 1, it is characterized in that, described fixed cell comprises the second retaining element that first retaining element and are located at the outside of described first retaining element, wherein said second retaining element is suitable for being located at described light fixture attachment and is arranged on appropriate location to make described light fixture, described first retaining element forms one for holding described first accommodating chamber of described regulating element pivotly, the described first fire prevention element of wherein said fire prevention unit is located between the second retaining element of described fixed cell and described regulating element, wherein said second retaining element comprises second fixed body, a top edge extending inwardly to the top of described first fire prevention element from the upper end of described second fixed body, wherein when the described first fire prevention element expanded by heating of described fire prevention unit, the described top edge of described second retaining element of described fixed cell can make the described first fire prevention element of expanded by heating to downward-extension, thus make the top edge of described second retaining element and described first fire prevention element that the space between described fixed cell and described regulating element can be made to be sealed, with the intensity of a fire stoping fire to cause spreads to described light fixture exterior domain through the space described fixed cell and described regulating element.
4. light fixture according to claim 2, it is characterized in that, described fixed cell comprises the second retaining element that first retaining element and are located at the outside of described first retaining element, wherein said second retaining element is suitable for being located at described light fixture attachment and is arranged on appropriate location to make described light fixture, described first retaining element forms one for holding described first accommodating chamber of described regulating element pivotly, the described first fire prevention element of wherein said fire prevention unit is located between the second retaining element of described fixed cell and described regulating element, wherein said second retaining element comprises second fixed body, a top edge extending inwardly to the top of described first fire prevention element from the upper end of described second fixed body, wherein when the described first fire prevention element expanded by heating of described fire prevention unit, the described top edge of described second retaining element of described fixed cell can make the described first fire prevention element of expanded by heating to downward-extension, thus make the top edge of described second retaining element and described first fire prevention element that the space between described fixed cell and described regulating element can be made to be sealed, with the intensity of a fire stoping fire to cause spreads to described light fixture exterior domain through the space described fixed cell and described regulating element.
5. light fixture according to claim 1, is characterized in that, the length in the vertical direction of described safety cage is greater than its transverse width and the inwall of described safety cage has good air-tightness.
6. light fixture according to claim 4, is characterized in that, the length in the vertical direction of described safety cage is greater than its transverse width and the inwall of described safety cage has good air-tightness.
7. light fixture according to claim 1, it is characterized in that, comprise one group of Connection Element be made up of exotic material further, described Connection Element comprises a connector, wherein said connector extends to the inner side of described regulating element and the described regulating element of described light fixture is remained on pivotly described first accommodating chamber that described fixed cell formed from the outside of described fixed cell, the top of described connector is located at by the described first fire prevention element of wherein said fire prevention unit.
8. light fixture according to claim 6, it is characterized in that, comprise one group of Connection Element be made up of exotic material further, described Connection Element comprises a connector, wherein said connector extends to the inner side of described regulating element and the described regulating element of described light fixture is remained on pivotly described first accommodating chamber that described fixed cell formed from the outside of described fixed cell, the top of described connector is located at by the described first fire prevention element of wherein said fire prevention unit.
9. light fixture according to claim 1, is characterized in that, described installation portion and the described regulating element of described heat dissipation element are one-body molded, thus make described heat dissipation element can along with the pivotable of described regulating element pivotable.
10. light fixture according to claim 8, is characterized in that, described installation portion and the described regulating element of described heat dissipation element are one-body molded, thus make described heat dissipation element can along with the pivotable of described regulating element pivotable.
11. light fixtures according to claim 4, it is characterized in that, the inwall upper end of described first retaining element of described fixed cell is provided with two symmetrical limit opening, the relevant position, outside of the described adjustment body of described regulating element is provided with two symmetrical pivotal axis, the described pivotal axis of wherein said regulating element is suitable for the limit opening being located at described first retaining element respectively pivotly and safely, thus make user can location status described in pivotal adjustment residing for regulating element, thus the irradiating angle of the light regulating the light-emitting component being located at described light fixture to send.
12. light fixtures according to claim 10, it is characterized in that, the inwall upper end of described first retaining element of described fixed cell is provided with two symmetrical limit opening, the relevant position, outside of the described adjustment body of described regulating element is provided with two symmetrical pivotal axis, the described pivotal axis of wherein said regulating element is suitable for the limit opening being located at described first retaining element respectively pivotly and safely, thus make user can location status described in pivotal adjustment residing for regulating element, thus the irradiating angle of the light regulating the light-emitting component being located at described light fixture to send.
13. light fixtures according to claim 4, it is characterized in that, the described fixed cell of described light fixture is made up of exotic material, the described fixed cell of described light fixture thus, described first heat-resistant component of described resistance to hot cell and described second heat-resistant component and be located at described first of described fire prevention unit between described second retaining element of described fixed cell of described light fixture and described regulating element element of preventing fires and make described light fixture have globality fire resistance property, thus make when described light fixture installation by adhering is at fire-barrier ceiling, described light fixture can not damage the overall fire protecting performance of described fire-barrier ceiling.
14. light fixtures according to claim 12, it is characterized in that, the described fixed cell of described light fixture is made up of exotic material, the described fixed cell of described light fixture thus, described first heat-resistant component of described resistance to hot cell and described second heat-resistant component and be located at described first of described fire prevention unit between described second retaining element of described fixed cell of described light fixture and described regulating element element of preventing fires and make described light fixture have globality fire resistance property, thus make when described light fixture installation by adhering is at fire-barrier ceiling, described light fixture can not damage the overall fire protecting performance of described fire-barrier ceiling.
15. light fixtures according to claim 4, it is characterized in that, the present position, top of described second retaining element is higher than the present position, top of described first retaining element, described first fire prevention element is from the lateral on the top of the first retaining element of described fixed cell outside and extend upwardly to the inner side of described second retaining element of described fixed cell, makes described first of described fire prevention unit the element of preventing fires be located at the inner side of described second retaining element of described fixed cell thus.
16. light fixtures according to claim 14, it is characterized in that, the present position, top of described second retaining element is higher than the present position, top of described first retaining element, described first fire prevention element is from the lateral on the top of the first retaining element of described fixed cell outside and extend upwardly to the inner side of described second retaining element of described fixed cell, makes described first of described fire prevention unit the element of preventing fires be located at the inner side of described second retaining element of described fixed cell thus.
17. light fixtures according to claim 4, it is characterized in that, described fire prevention unit comprises a second fire prevention element be located between the first retaining element of described fixed cell and the second retaining element further, wherein said second fire prevention element is made up of thermal expansion material, and it at high temperature can expand and produce a sealing effectiveness between first retaining element and the second retaining element of described fixed cell.
18. light fixtures according to claim 16, it is characterized in that, described fire prevention unit comprises a second fire prevention element be located between the first retaining element of described fixed cell and the second retaining element further, wherein said second fire prevention element is made up of thermal expansion material, and it at high temperature can expand and produce a sealing effectiveness between first retaining element and the second retaining element of described fixed cell.
19. 1 kinds of light fixtures, is characterized in that, comprising:
One is suitable for the fixed cell described light fixture being fixed on light fixture attachment, and wherein said fixed cell is formed with the first accommodating chamber of a up/down perforation;
One for the regulating element of the direction of illumination of the light that regulates the light-emitting component being located at described light fixture to send, wherein said regulating element is contained in the first accommodating chamber that described fixed cell is formed pivotly, wherein said regulating element comprises the adjustment body that is contained in described first accommodating chamber pivotly, wherein said adjustment body forms an optical channel, and the light that the light-emitting component that described optical channel is suitable for being located at described light fixture sends passes through;
One heat dissipation element, described heat dissipation element comprises a radiating part and an installation portion, wherein said installation portion from described radiating part to downward-extension, the described light-emitting component of described light fixture is located at the bottom of the installation portion of described heat dissipation element, and the lower end of the installation portion of wherein said heat dissipation element is suitable for being located at described regulating element; With
A resistance to hot cell, the described installation portion of the described heat dissipation element of wherein said light fixture forms the 3rd accommodating chamber that Open Side Down for the described light-emitting component holding described light fixture from described radiating part to downward-extension, wherein said resistance to hot cell comprises first heat-resistant component and second heat-resistant component, wherein said first heat-resistant component is located between described regulating element and the described installation portion of described heat dissipation element, described second heat-resistant component extends downward described first heat-resistant component of described resistance to hot cell along the inwall of described 3rd accommodating chamber from the rear portion of light-emitting component of upper position of inwall being located at described 3rd accommodating chamber, described first heat-resistant component of wherein said resistance to hot cell comprises first refractory sections and second refractory sections extended internally from the lower end of described first refractory sections, described first refractory sections of wherein said first heat-resistant component is located between the inner side of the outside of the installation portion of described heat dissipation element and the described adjustment body of described regulating element, described second refractory sections is located at the below of described heat dissipation element, wherein said first heat-resistant component and described second heat-resistant component are made by exotic material, described first heat-resistant component of described resistance to hot cell and described second heat-resistant component can form a safety cage thus, to reduce described light fixture disintegration speed in high temperature environments and to stop the intensity of a fire of fire initiation to spread to the top of described light fixture.
20. light fixtures according to claim 19, is characterized in that, the length in the vertical direction of described safety cage is greater than its transverse width and the inwall of described safety cage has good air-tightness.
CN201210337809.4A 2012-08-02 2012-09-04 Light fixture Active CN102878504B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201210283269 2012-08-02
CN201210283269.6 2012-08-02
CN201210337809.4A CN102878504B (en) 2012-08-02 2012-09-04 Light fixture

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN201510642356.XA CN105222024A (en) 2012-08-02 2012-09-04 Light fixture
CN201210337809.4A CN102878504B (en) 2012-08-02 2012-09-04 Light fixture
DK13835416.2T DK2894391T3 (en) 2012-09-04 2013-08-28 Lamp
PCT/CN2013/082460 WO2014036906A1 (en) 2012-09-04 2013-08-28 Lamp
EP13835416.2A EP2894391B1 (en) 2012-09-04 2013-08-28 Lamp

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201510642356.XA Division CN105222024A (en) 2012-08-02 2012-09-04 Light fixture

Publications (2)

Publication Number Publication Date
CN102878504A CN102878504A (en) 2013-01-16
CN102878504B true CN102878504B (en) 2015-11-25

Family

ID=50237857

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210337809.4A Active CN102878504B (en) 2012-08-02 2012-09-04 Light fixture

Country Status (4)

Country Link
EP (1) EP2894391B1 (en)
CN (1) CN102878504B (en)
DK (1) DK2894391T3 (en)
WO (1) WO2014036906A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878504B (en) * 2012-08-02 2015-11-25 武良举 Light fixture
CN104006338B (en) * 2013-02-21 2017-01-11 佛山市威得士灯饰电器有限公司 Lamp
CN103363408B (en) * 2013-04-26 2016-08-10 佛山市威得士灯饰电器有限公司 Ceiling lamp
CN203893076U (en) * 2014-01-24 2014-10-22 武良举 Light direction adjusting device
CN104329617B (en) * 2014-10-24 2017-08-08 东莞雷笛扬照明有限公司 A kind of module case lamp

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2937811Y (en) * 2006-08-18 2007-08-22 武良举 Inserted fire-proof ceiling lampshade and fire-proof lamp with the lampshade
CN102162586A (en) * 2010-12-31 2011-08-24 范金晶 Lamp with inclination angle
CN202032487U (en) * 2010-09-29 2011-11-09 武良举 Lamp assembling and positioning structure and embedded lamp
CN202281145U (en) * 2011-11-03 2012-06-20 何仕友 Universal ceiling lamp
CN202884724U (en) * 2012-08-02 2013-04-17 武良举 Lamp

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2748777Y (en) * 2004-11-02 2005-12-28 武良举 Fireproof cover of lamps
US7651238B2 (en) * 2007-01-10 2010-01-26 O'brien Aaron Fireproof trim and insulated lighting assembly
CN201072101Y (en) * 2007-07-05 2008-06-11 武良举 Barrel-type fireproof lamp
CN101280899B (en) * 2008-04-11 2010-09-01 上海斯莱国际贸易有限公司 Fireproofing embedding lamp
CN101922693A (en) * 2009-06-12 2010-12-22 富准精密工业(深圳)有限公司 Luminaire
JP2012129172A (en) * 2010-12-17 2012-07-05 Toshiba Lighting & Technology Corp Lighting fixture
CN202303087U (en) * 2011-10-31 2012-07-04 深圳市璇林电子科技有限公司 Light-emitting diode (LED) ceiling lamp
CN102878504B (en) * 2012-08-02 2015-11-25 武良举 Light fixture

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2937811Y (en) * 2006-08-18 2007-08-22 武良举 Inserted fire-proof ceiling lampshade and fire-proof lamp with the lampshade
CN202032487U (en) * 2010-09-29 2011-11-09 武良举 Lamp assembling and positioning structure and embedded lamp
CN102162586A (en) * 2010-12-31 2011-08-24 范金晶 Lamp with inclination angle
CN202281145U (en) * 2011-11-03 2012-06-20 何仕友 Universal ceiling lamp
CN202884724U (en) * 2012-08-02 2013-04-17 武良举 Lamp

Also Published As

Publication number Publication date
DK2894391T3 (en) 2018-08-13
EP2894391A4 (en) 2016-05-25
EP2894391A1 (en) 2015-07-15
WO2014036906A1 (en) 2014-03-13
CN102878504A (en) 2013-01-16
EP2894391B1 (en) 2018-05-09

Similar Documents

Publication Publication Date Title
CN102878504B (en) Light fixture
CN202884724U (en) Lamp
CN105531531B (en) Ceiling lamp
EP1726873B1 (en) Improvements to fire rated downlights
CN102216682A (en) Lighting unit
CN201149181Y (en) Embedded type lamp with heat radiating device
WO2009006786A1 (en) A fireproof lamp
US10125965B2 (en) Recessed light apparatus
CN202284754U (en) Light emitting diode (LED) fireproof lamp
CN105222024A (en) Light fixture
CN202281141U (en) LED (Light-emitting diode) fire-proof lamp
WO2019033996A1 (en) Fireproof embedded lamp and fireproof lamp housing
CN205424687U (en) Lamps and lanterns that have fire prevention component
CN204922714U (en) Lamps and lanterns
CN203893006U (en) Fireproof down lamp
CN204665061U (en) A kind of fireproof ceiling lamp tool
CN209146909U (en) A kind of embedded fireproof ceiling lamp
CN201000009Y (en) Energy conservation ceiling lamp having fire prevention function
CN208268837U (en) High heat dispersion fire resistant lighting fitting
CN213272233U (en) Four-prevention lamp with multi-angle light distribution
CN201137895Y (en) Embedded fireproof lamp
CN109539057A (en) A kind of embedded fireproof ceiling lamp
WO2016101801A1 (en) Lamp
CN201041333Y (en) Inlaid type fire-proof lamp
CN201401705Y (en) Novel embedded fireproof lamp

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20160526

Address after: 528051, No. 15, Xinyuan Road, Jili Industrial Park, Chancheng hi tech Industrial Development Zone, Guangdong, Foshan, China

Patentee after: FOSHAN VERTEX LIGHTING ELECTRIC APPLIANCE CO., LTD.

Address before: 528051 Guangdong Province, Foshan city Chancheng District Nanzhuang Jili Industrial Park Xinyuan Road No. 15

Patentee before: Wu Liangju

C41 Transfer of patent application or patent right or utility model